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POWR
CAMSHAFT AND VALVES
Ç
Î
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Ç The valve seat is too narrow and is near the
Î The valve seat is too narrow and is near the
5-29
valve margin.
Valve seat cutter set
First:
To achieve a cen-
90˚ cutter
tered valve seat
Use
Second:
with the proper
45˚ cutter
width.
bottom edge of the valve face.
Valve seat cutter set
First:
To center the valve
30˚ cutter
Use
seat and increase
Second:
its width.
45˚ cutter
E
Desired result
Desired result
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